Cheap flights from Washington, D.C. to Perth from $543

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Perth departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:46 pm - 5:25 am
BWI
-
PER
45h 39m
2 stops
Multiple Airlines Logo
1:15 am - 5:46 pm
PER
-
BWI
29h 31m
2 stops
$1,453Multiple Airlines
Sat, Feb 28 - Fri, Mar 6
Multiple Airlines Logo
6:27 pm - 5:25 am
IAD
-
PER
46h 58m
2 stops
Multiple Airlines Logo
5:05 pm - 5:40 am
PER
-
IAD
48h 35m
2 stops
$1,536Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
6:27 pm - 5:25 am
IAD
-
PER
46h 58m
2 stops
Multiple Airlines Logo
5:05 pm - 5:40 am
PER
-
IAD
48h 35m
2 stops
$1,537Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Air New Zealand Logo
6:28 pm - 10:20 pm
BWI
-
PER
63h 52m
2 stops
Air New Zealand Logo
7:50 pm - 5:14 am
PER
-
BWI
45h 24m
2 stops
$1,562Air New Zealand
Mon, Apr 20 - Mon, May 11
Air New Zealand Logo
10:15 pm - 10:20 pm
IAD
-
PER
60h 05m
2 stops
Air New Zealand Logo
7:50 pm - 12:44 am
PER
-
IAD
40h 54m
2 stops
$1,590Air New Zealand
Mon, Apr 20 - Mon, May 11
Singapore Airlines Logo
6:28 pm - 2:40 pm
BWI
-
PER
32h 12m
2 stops
Singapore Airlines Logo
1:45 pm - 4:47 pm
PER
-
BWI
39h 02m
2 stops
$1,616Singapore Airlines
Mon, Apr 20 - Mon, May 11
Cathay Pacific Logo
11:36 am - 10:40 pm
DCA
-
PER
47h 04m
2 stops
Cathay Pacific Logo
12:10 am - 12:30 am
PER
-
DCA
36h 20m
2 stops
$1,622Cathay Pacific
Mon, Apr 20 - Sun, May 10
Cathay Pacific Logo
9:35 am - 6:55 am
DCA
-
PER
32h 20m
2 stops
Cathay Pacific Logo
8:30 am - 6:55 pm
PER
-
DCA
47h 25m
2 stops
$1,633Cathay Pacific
Fri, Feb 27 - Fri, Mar 6
Qantas Airways Logo
3:50 pm - 4:55 pm
BWI
-
PER
37h 05m
2 stops
Qantas Airways Logo
6:20 am - 11:09 pm
PER
-
BWI
28h 49m
2 stops
$1,706Qantas Airways
Mon, Apr 20 - Mon, May 11
Qantas Airways Logo
3:21 pm - 6:15 pm
BWI
-
PER
37h 54m
2 stops
Qantas Airways Logo
5:30 am - 10:59 pm
PER
-
BWI
30h 29m
2 stops
$1,709Qantas Airways
Fri, Feb 27 - Fri, Mar 6

Air Canada flights from Washington, D.C. to Perth

Our best Air Canada deals on Washington, D.C. to Perth flight tickets
Air Canada
Mar 4
IAD12:33 pmWashington, D.C. Dulles Intl
36h 57m
3 stops
PER2:30 pmPerth
Mar 8
PER3:15 pmPerth
60h 31m
3 stops
IAD3:46 pmWashington, D.C. Dulles Intl
$2,357
Air Canada
Mar 4
DCA9:40 amWashington, D.C. Reagan-National
39h 50m
3 stops
PER2:30 pmPerth
Mar 8
PER3:15 pmPerth
43h 20m
3 stops
DCA10:35 pmWashington, D.C. Reagan-National
$2,507
Air Canada
Jan 27
IAD12:35 pmWashington, D.C. Dulles Intl
36h 55m
3 stops
PER2:30 pmPerth
Feb 20
PER10:55 pmPerth
35h 26m
3 stops
IAD9:21 pmWashington, D.C. Dulles Intl
$22,368

Malaysia Airlines flights from Washington, D.C. to Perth

Our best Malaysia Airlines deals on Washington, D.C. to Perth flight tickets
Malaysia Airlines
Mar 4
IAD8:05 pmWashington, D.C. Dulles Intl
40h 20m
2 stops
PER1:25 amPerth
Mar 7
PER3:25 amPerth
49h 30m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$1,877
Malaysia Airlines
Mar 4
IAD8:05 pmWashington, D.C. Dulles Intl
40h 20m
2 stops
PER1:25 amPerth
Mar 7
PER3:25 amPerth
49h 30m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$1,878

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 2/28

6:46 pm-5:25 am

2 stops45h 39m

Perth

Fri 3/6

1:15 am-5:46 pm

2 stops29h 31m

$1,453

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 3/12

6:27 pm-5:25 am

2 stops46h 58m

Perth

Thu 3/19

5:05 pm-5:40 am

2 stops48h 35m

$1,536

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 3/12

6:27 pm-5:25 am

2 stops46h 58m

Perth

Thu 3/19

5:05 pm-5:40 am

2 stops48h 35m

$1,537

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 4/20

6:28 pm-10:20 pm

2 stops63h 52m

Perth

Mon 5/11

7:50 pm-5:14 am

2 stops45h 24m

$1,562

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 4/20

10:15 pm-10:20 pm

2 stops60h 05m

Perth

Mon 5/11

7:50 pm-12:44 am

2 stops40h 54m

$1,590

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 4/20

6:28 pm-2:40 pm

2 stops32h 12m

Perth

Mon 5/11

1:45 pm-4:47 pm

2 stops39h 02m

$1,616

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 4/20

11:36 am-10:40 pm

2 stops47h 04m

Perth

Sun 5/10

12:10 am-12:30 am

2 stops36h 20m

$1,622

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Fri 2/27

9:35 am-6:55 am

2 stops32h 20m

Perth

Fri 3/6

8:30 am-6:55 pm

2 stops47h 25m

$1,633

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 4/20

3:50 pm-4:55 pm

2 stops37h 05m

Perth

Mon 5/11

6:20 am-11:09 pm

2 stops28h 49m

$1,706

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 2/27

3:21 pm-6:15 pm

2 stops37h 54m

Perth

Fri 3/6

5:30 am-10:59 pm

2 stops30h 29m

$1,709

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Perth from

How to get the cheapest flight ticket from Washington, D.C. to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Perth?

In general, June is the cheapest month to fly from Washington, D.C. to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,194. If you are unable to visit Perth during the month of June, then departing from Washington, D.C. during the month August is also very affordable. Most momondo users find prices during this month for around $1,212.

Can stopping save me money on Washington, D.C. to Perth flights?

You could potentially save up to 52% on your flight if you consider stops on a Washington, D.C. to Perth flight.

When to book flights from Washington, D.C. to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Perth

Fastest flight time

26h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Perth takes 26h 50m
There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes from Washington, D.C. to Perth.
  • How far is Washington, D.C. to Perth by plane?

    The straight-line distance from Washington, D.C. to Perth is 11559.6 mi. 26h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Perth Airport?

    Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Perth Airport?

  • How old do you have to be to fly from Washington, D.C. to Perth Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. to Perth?

Best airlines flying from Washington, D.C. to Perth

Compare and see reviews for airlines that fly from Washington, D.C. to Perth with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,195Free CancellationRating
7.4
3,715 reviews
Search Qatar Airways flights
Qantas AirwaysPriceFrom $1,212Free CancellationRating
7.5
971 reviews
Search Qantas Airways flights

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
Rottnest Island
Scarborough
Waikiki

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

It is quick and easy to find Washington, D.C. to Perth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Perth that suits you.

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

Flights from Washington, D.C. to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Perth?

Once you have performed a search for Washington, D.C. to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Washington, D.C. and alert you when they change.

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Sat 2/14
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